Tube for thyroid surgery



FIG. 1 is a rear left side perspective view of a tube for thyroid surgery in accordance with the new design;

FIG. 2 is a left side isometric view thereof;

FIG. 3 is a top isometric view thereof;

FIG. 4 is a right side isometric view thereof;

FIG. 5 is a bottom isometric view thereof;

FIG. 6 is a front isometric view thereof; and,

FIG. 7 is a rear isometric view thereof.

The broken lines shown adjacent the shaded areas in FIGS. 1, 3, 6, and 7 represent the bounds of the claimed design, with the lines themselves and the areas within them forming no part of the claimed design. 

The ornamental design for a tube for thyroid surgery, as shown and described. 